11-08-2012, 02:37 PM
Form work, Scaffolding AND shoring
formwork.ppt (Size: 3.25 MB / Downloads: 144)
Definition
Its is an artificial support provided below and around the precast or cast insitue concrete work.
Formwork is commonly made of
Steel
wood
Formwork construction & casting is of prime importance in concrete industry. It share a significant amount of concrete cost.
Formwork is designed according to The ACI document SP-4. It can be purchased from
Types of formwork
Formwork are mainly of two types
Steel formwork
Wooden formwork
Steel formwork is made of
steel sheets
Angle Iron
Tee Iron
Wooden formwork consists of
Props
Planks battens
Ledgers
sheeting
Formwork for Foundations
Column Foundations
It consists of
Side Supports
Side Planks
Cleats
Formwork for Stairs
It consists of
Vertical & inclined posts
Inclined members
Wooden Planks or sheeting
Stringer
Riser Planks